简介：让我是积极合理数字的间隔。然后集合S(I)=T鈭??在T是submonoid的地方?0+，+)由T产生了，是数字semigroup。这些数字semigroups被叫按比例模块化并且能作为形式斧子的Diophantine不平等的整数答案的集合被描绘现代派的b鈮?cx。在这份报纸，我们在我使遭到到S(I)有的条件的最大的间隔的学习感兴趣给定的复合。我们也描绘与这些最大的间隔联系的数字semigroups。关键词数字semigroup-Diophantine不平等-复合-Frobenius数字先生(2000)题目分类11D75-11D04-第一写作的20M14被工程MTM2004-01446和FEDER资金支持；纸被Luso-Espanhola行动HP2004-0056支持

简介：我们学习对Teichmüller空格起作用的模块化的组的亚群的固定的点集合。

简介：Theauthorsconsiderafamilyoffinite-dimensionalLiesuperalgebrasofO-typeoveranalgebraicallyclosedfieldofcharacteristicp>3.ItisprovedthattheLiesuperalgebrasof■-typearesimpleandthespanningsetsaredetermined.ThenthespanningsetsareemployedtocharacterizethesuperderivationalgebrasoftheseLiesuperalgebras.Finally,theassociativeformsarediscussedandacomparisonismadebetweentheseLiesuperalgebrasandothersimpleLiesuperalgebrasofCartantype.

简介：Fishesarefamousfortheirabilitytopositionthemselvesaccuratelyeveninturbulentflows.Thisabilityistheresultofthecoordinatedmovementoffinswhichextendfromthebody.Wehaveembarkedonaresearchprogramdesignedtodevelopanagileandhighefficientbiologicallyinspiredroboticfishbasedontheperformanceofhybridmechanicalfins.Toaccomplishthisgoal,amechanicalray-likefinactuatedbyShapeMemoryAlloy(SMA)isdeveloped,whichcanrealizebothoscillatorylocomotionandundulatorylocomotion.Wefirstgiveabriefintroductiononthemechanicalstructureofourfinandthencarryouttheoreticanalysisonforcegeneration.DetailedinformationofthesetheoreticalresultsislaterrevealedbyComputationalFluidDynamic(CFD),andisfinalvalidatedbyexperiments.Thisroboticfinhaspotentialapplicationasapropulsorforfutureunderwatervehiclesinadditiontobeingavaluablescientificinstrument.

简介：Inthisarticle,wefirstinvestigatethepropertiesofmodularFrobeniusgroups.Then,weconsiderthecasethatG′isaminimalnormalsubgroupofamodularFrobeniusgroupG.WegivethecompleteclassificationofGwhenG′asamodularFrobeniuskernelhasnomorethanfourconjugacyclassesinG.

简介：Biomimeticdesignemploystheprinciplesofnaturetosolveengineeringproblems.Suchdesignswhicharehopedtobequick,efficient,robust,andversatile,havetakenadvantageofoptimizationvianaturalselection.Inthepresentresearch,anenvironment-friendlypropulsionsystemmimickingundulatingfinsofstingraywasbuilt.Anon-conventionalmethodwasconsideredtomodeltheflexibilityofthefinsofstingray.Atwo-degree-of-freedommechanismcomprisedofseverallinkageswasdesignedandconstructedtomimictheactualflexiblefin.Thedrivinglinkageswereusedtoformamechanicalfincon-sistingofseveralfinsegments,whichareabletoproduceundulations,similartothoseproducedbytheactualfins.Owingtothemodularityofthedesignofthemechanicalfin,variousundulatingpatternscanberealized.Somequalitativeobservations,obtainedbyexperiments,predictedthatthethrustsproducedbythemechanicalfinaredifferentamongvariousundulatingpatterns.Tofullyunderstandthisexperimentalphenomenonisveryimportantforbetterperformanceandenergysavingforourbioroboticunderwaterpropulsionsystem.Here,fourbasicundulatingpatternsofthemechanicalfinwereperformedusingtwo-dimensionalunsteadycomputationalfluiddynamics(CFD)method.Anunstructured,grid-based,unsteadyNavier-Stokessolverwithautomaticadaptivere-meshingwasusedtocomputetheunsteadyflowaroundthefinthroughtwentycompletecycles.Thepressuredistributiononfinsurfacewascomputedandintegratedtoprovidefinforceswhichweredecomposedintoliftandthrust.Thepressureforceandfrictionforcewerealsocomputedthroughouttheswimmingcycle.Finally,vortexcontourmapsofthesefourbasicfinundulatingpatternsweredisplayedandcompared.

简介：Modularinversearithmeticplaysanimportantroleinellipticcurvecryptography.BasedontheanalysisofMontgomerymodularinversionalgorithm,thispaperpresentsanewdual-fieldmodularinversionalgorithm,andanovelscalableandunifiedarchitectureforMontgomeryinversehardwareinfinitefieldsGF(p)andGF(2n)isproposed.Furthermore,thisarchitecturebasedonthenewmodularinversionalgorithmhasbeenverifiedbymodelingitinVerilog-HDL,andaccomplisheditunder0.18μmCMOStechnology.Theresultindicatesthatourworkhasbetterperformanceandflexibilitythanotherworks.

简介：Bystudyingmodularinvariancepropertiesofsomecharacteristicforms,wegetsomegen-eralizedanomalycancellationformulason（4r-1）-dimensionalmanifoldswithnoassumptionthatthe3rdde-Rhamcohomologyofmanifoldsvanishes.Theseanomalycancellationformulasgeneralizeourpreviousanomalycancellationformulason（4r-1）-dimensionalmanifolds.Wealsogeneralizeourpreviousanomalycancellationformulason（4r-1）-dimensionalmanifoldsandtheHauYurigiditytheoremtothe（a,b）case.

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简介：这篇散文在软事工程为分子的设计在一条合理、模块化的途径的发展讨论一些初步的想法并且为先进功能的材料建议结构、功能的synthons的想法。它回应由练习的材料染色体行动一试验制动火箭功能的分析RFA计划。在把分子的功能变成并且放大宏观的性质的层次结构的重要性被认出并且强调。根据在最后的材料的分子的片断的角色，有积木的二种类型：结构的synthon和功能的synthon。为需要的功能由特定的结构指导了，这些synthons能模块化地以构造分子的脚手架的各种各样的方法被联合。详细分子的结构然后精确并且模块化地被推出，设计并且综合。当装配结构和性质可以从原来的设计背离时，学习可以向目标功能允许分子的设计的进一步的精炼。策略在软fullerene材料和另外的巨大的分子的发展被使用了。有一些方面，很好还没被探讨：1功能和结构不是充分decoupled并且2装配层次结构越过不同长度规模对第二等的相互作用和分子的几何学敏感。不过，RFA途径由从化学和物理与考虑挑起创造性提供一个起点和一条其他的想小径。这为与超分子的格子形成设计软事是特别地有用的，作为在巨大的分子，在synthons相对独立于对方的地方。

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简介：大多数存在移交决定系统(HDS)图案是整体的，导致高计算的费用并且全面网络失衡。有为第5产生(5G)的一个全面负担索引的一个新奇模块化的移交算法异构的网络(HetNets)被建议。在这份报纸，移交参数，用作移交的基础，被分类进服务(QoS)的网络质量模块，用户偏爱(起来)满足(DS)的模块和度模块根据新模块化的HDS设计。优化切换的过程，全面网络负担索引被使用三角模块熔化操作员推出。关于存在移交算法，模拟结果显示建议算法能减少移交频率并且在高水平维持用户满足。由于它的块计算，同时，它能引起1.4s实行时间改进。

简介：Softsettheoryhasarichpotentialapplicationinseveralfields.Asoftgroupisaparameterizedfamilyofsubgroupsandafuzzysoftgroupisaparameterizedfamilyoffuzzysubgroups.Theconceptoffuzzysoftgroupisthegeneralizationofsoftgroup.AbdulkadirAygunogluandHalisAygunintroducedthenotionoffuzzysoftgroupsin2009[1].Inthispaper,theconceptoflatticeorderedfuzzysoftgroupsanditsdualityhasbeenintroduced.Thendistributiveandmodularlatticeorderedfuzzysoftgroupsareanalysed.Theobjectiveofthispaperistostudythelatticetheoryoverthecollectionoffuzzysoftgroupinaparametricmanner.Somepertinentpropertieshavebeenanalysedandhenceestablisheddualityprinciple.

简介：这篇文章的目的是在theta系列上讨论symplectic转变法律并且为symplectic操作员的踪迹给一些明确的公式。

简介：Amultipurposecloneplantspecies,Hippophaerhamniodeshasthecapacityforindefinitelongevity,althoughundersuccessivedroughtstressitmayoftendeclineordieacrosslargeareas.Fieldtrialswereconductedover2yearstoexaminetheeffectsofvariedirrigationintensitiesonmodulargrowthandclonalpropagationinasemi-aridarea.Irrigationlevelsincludedacontrol,aswellastwo,fourandsixtimesthevolumeofwaterthatwastypicallyreceivedvialocalannualaverageprecipitation.Irrigationintensitysignificantlyinfluencedclonalpropagationcapacity(numberofdaughterramets),abovegroundmodulargrowth(height,basediameter,andcrownwidth),belowgroundmodulargrowthincludedrootnoduledryweight,stretchingcapacityoflateralroots(lengthofthelongestlateralroots,anddiameteroffirstgradelateralroots),andbranchingintensityoflateralroots(numberoflateralrootsbifurcationgrade,numberoffirstgradelateralroots).Themodulargrowthandthedensityofdaughterrametsweresmallundernon-irrigationorlowirrigation,andbecamelargerwithincreasedirrigationintensity.Beyondacertainthreshold,however,furtherincreasesinirrigationintensityresultedinareversiontothedevelopment.Theoptimalirrigationintensitiesforgrowthandpropagationwere3.48–5.29timesthevolumeofnominallocalannualaverageprecipitation.Therewereeffectsofirrigationintensitiesonthepositivesignificantcorrelationsbetweenabovegroundandbelowgroundmodulargrowths,andonclonalpropagationcapacities.Undervariouswatertreatments,H.rhamnoidesmayadapttotheenvironmentthroughtheregulationofgrowthandpropagation.WeconcludedthatwatershortagesacttoweakenthegrowthandpropagationofH.rhamniodesplantations.

简介：Thedynamicshearmodulusratioanddampingratioofsandygravelareimportantparametersfortheseismicresponseanalysisofvalleygeomorphicsites,whichhaveanimportantimpactonthedeterminationofdesigngroundmotionparameters.Inthispaper,thedynamictriaxialtestofsandygravelshasbeenperformedbasedontheprojectoftheShangluoSeismicMicrozonation.Combinedwiththeotherresultsofsandygravel,therecommendedresultsofslightlydense,mediumdenseanddensesandygravelwereobtained.Bybuildingthetypicalsitemodel,theinfluenceofthedynamicshearmodulusratioandthedampingratiouncertaintyontheseismicresponseofthesiteisstudied.Theresultsshowthattheuncertaintyoftheaverageofthedynamicshearmodulusratioandthedampingratio±1timesthestandarddeviationhaslittleeffectonthepeakaccelerationofthesandygravelsite,andtherationalityofthegroupingandstatisticalresultsisexplained.Underdifferentprobabilitylevels,thechangeintheshearmodulusratioanddampingratioleadstoasignificantdifferenceinthehighfrequencyresponsespectrum.Theresponsespectrumof0.04-0.1srangesfromabout20%,butithaslittleeffectonthelongperiodspectrumofmorethan1.0s.Thestudyofdynamicshearmodulusratioanddampingratioofsandygravelhastheabilitytoimprovethereliabilityofthedesigninggroundmotionparameters.

简介：Tosolvetheexistingproblemsduringtheceramicmoldenterprisesproductdesignanddevelopmentprocess,thevariablestructureparametricdesignsystembasedonmodularofceramicmoldhasbeendeveloped.Thesystemusestheobject-orientedtechnologyandtop-downdesignconceptasaguide,establishesaceramicmoldparametricdesignprocess,dividestheprocessofceramicmolddesignintomodulesofdifferentlevelsandcreatesacomponentmodellibrarybasedonthefunctionalanalysis.Expandingmodularthinkingtopartsstructuredesignlevelisaneffectivesolutiontothedifficultyofchangingthestructureduringtheproductdesignprocess.Examplesshowthatthesystemcanachieveaceramicmoldproductdesign,improvedesignefficiency.

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简介：ThispaperpresentsthebehavioranalysisofmodularmultilevelconverterunderDCpole-to-poleshort-circuitfault,whichisanimportantissueinfaultmanagement,electricalsystemdesignandMMCbasedpowersystemprotectionandcontrol.Firstly,thetransientbehaviorisanalyzedandtheconductionoverlappingangleγisdefined.Secondly,sevenpossibleshort-circuitcurrentpathsinducedbydifferentγvaluesareidentified,andthecorrespondingengineeringshort-circuitcurrentcalculationmethodsforbothACandDCsidesareproposed.Andthen,theinfluencesofimpedancedistributionfactorkandequivalentshort-circuitresistanceRSConshort-circuitcurrentsareelaborated.Finally,casestudyisusedtoverifytheeffectivenessoftheproposedanalysismethods.

简介：Steelproductionremainsanenergy-intensiveindustryinaworldwherethereisanever-increasingemphasisonloweringenergycosts,reducinggreenhousegasemissions,ensuringenvironmentalcompliance,andimprovingproductionrates.Asthegrowthindemandforspecialitysteelscontinuesitssteadyincrease,andnewmarketopportunitiesforeverhighersteelperformanceappear,significantglobalattentionisfocusedonsecondarysteelprocessing,andontheVD,VODandRHprocesses.Onenewtechnologyisabletoaddressalloftheseissuesandconcernstogether-theintegratedladletankvacuumdegassingstationequippedwiththenewmodularmechanicalvacuumpumpingsystems.Thispaperwillexaminetheeconomicandenvironmentalbenefits,operationalcharacteristics,andrecentresultsprovidedbysuchsteeldegassinginstallations.